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// Copyright 2019 Huan Du. All rights reserved.
// Licensed under the MIT license that can be found in the LICENSE file.
package clone
import (
"testing"
"github.com/huandu/go-assert"
)
type testType struct {
Foo string
Bar map[string]interface{}
Player []float64
}
type testSimple struct {
Foo int
Bar string
}
func TestWrap(t *testing.T) {
a := assert.New(t)
a.Equal(Wrap(nil), nil)
orig := &testType{
Foo: "abcd",
Bar: map[string]interface{}{
"def": 123,
"ghi": 78.9,
},
Player: []float64{
12.3, 45.6, -78.9,
},
}
wrapped := Wrap(orig).(*testType)
a.Use(&orig, &wrapped)
a.Equal(orig, wrapped)
a.Equal(Wrap(wrapped), wrapped)
wrapped.Foo = "xyz"
wrapped.Bar["ghi"] = 98.7
wrapped.Player[1] = 65.4
a.Equal(orig.Foo, "abcd")
a.Equal(orig.Bar["ghi"], 78.9)
a.Equal(orig.Player[1], 45.6)
actual := Unwrap(wrapped).(*testType)
a.Assert(orig == actual)
}
func TestWrapScalarPtr(t *testing.T) {
a := assert.New(t)
i := 123
c := &i
v := Wrap(c).(*int)
orig := Unwrap(v).(*int)
a.Use(&a, &i, &c, &v)
a.Assert(*v == *c)
a.Assert(orig == c)
}
func TestWrapNonePtr(t *testing.T) {
a := assert.New(t)
cases := []interface{}{
123, nil, "abcd", []string{"ghi"}, map[string]int{"xyz": 123},
}
for _, c := range cases {
v := Wrap(c)
a.Equal(c, v)
}
}
func TestUnwrapValueWhichIsNotWrapped(t *testing.T) {
a := assert.New(t)
s := &testType{
Foo: "abcd",
Bar: map[string]interface{}{
"def": 123,
"ghi": 78.9,
},
Player: []float64{
12.3, 45.6, -78.9,
},
}
v := Unwrap(s).(*testType)
v.Foo = "xyz"
a.Equal(s, v)
}
func TestUnwrapPlainValueWhichIsNotWrapped(t *testing.T) {
a := assert.New(t)
i := 0
cases := []interface{}{
123, "abc", nil, &i,
}
for _, c := range cases {
v := Unwrap(c)
a.Equal(c, v)
old := c
Undo(c)
a.Equal(c, old)
}
}
func TestUndo(t *testing.T) {
a := assert.New(t)
orig := &testType{
Foo: "abcd",
Bar: map[string]interface{}{
"def": 123,
"ghi": 78.9,
},
Player: []float64{
12.3, 45.6, -78.9,
},
}
wrapped := Wrap(orig).(*testType)
a.Use(&orig, &wrapped)
wrapped.Foo = "xyz"
wrapped.Bar["ghi"] = 98.7
wrapped.Player[1] = 65.4
a.Equal(orig.Foo, "abcd")
a.Equal(orig.Bar["ghi"], 78.9)
a.Equal(orig.Player[1], 45.6)
Undo(wrapped)
a.Equal(orig, wrapped)
}
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